In 2011 we'll see the 350cc three-wheeled Quadro and later in the year, a 500cc four-wheeler. The four-wheeled motorcycle will evolve into a full family of supersports, hybrid, ...

Not so long ago we showed you an absolutely wicked 4-wheel motorcycle, the Yamaha Tesseract (hit that link if you haven’t seen it, trust us). Now the design is looking to be a trend with this ...

Though it has four wheels and a car engine, the Lazareth LM 847 identifies as a motorcycle. Some might disagree with that, but one thing's for sure: it's one of the wildest production vehicles ever.

With a straight-up Batman-like design, this four-wheeled electric motorcycle is a sight to behold. It also leaves me with more questions than answers. Advertisement - scroll for more content.

Twenty years ago, Dodge gave us the Tomahawk concept — a four-wheeled motorcycle built around the Viper's V10, all shining and silver and technically kind of rideable.But the Tomahawk, for all ...